Home / 639,566.64-959,182.80-190,166.48

Finding the Fourth Proportional to 639,566.64, 959,182.80 and 190,166.48

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Solution

The fourth proportional to 639,566.64, 959,182.80 and 190,166.48 is: 285,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,566.64 : 959,182.80 = 190,166.48 : x
  2. Step 2: Convert to fraction form
    639,566.64/959,182.80 = 190,166.48/x
  3. Step 3: Cross multiply
    639,566.64x = 959,182.80 × 190,166.48
  4. Step 4: Simplify right side
    639,566.64x = 182,404,416,752.54
  5. Step 5: Solve for x
    x = 182,404,416,752.54/639,566.64
  6. Step 6: Final answer
    x = 285,200.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.